4 - Ace Construction, B General Building Contractor in Rancho Cucamonga, CA
4 - Ace Construction operating as a sole owner holds an active California contractor license (CSLB #610984), valid through Jan 31, 2027. First issued in 1991, the license has been on the CSLB roster for 35 years. It carries 2 CSLB classifications: B General Building Contractor and C-33 Painting and Decorating Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and a previously-filed workers' compensation policy with Omaha National Casualty Company that is no longer active. The business is based in Rancho Cucamonga, in San Bernardino County, California.
- License Number
- 610984
- Issued
- Jan 27, 1991
- Status
- CLEAR
- Expires
- Jan 31, 2027
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- SC6024945
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Omaha National Casualty Company
- Policy Number
- ONCC1174105
- Effective
- Sep 16, 2025
- Expires
- Sep 16, 2026
This contractor has a compliance issue in its public CSLB record:
- No active workers' comp on file
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is 4 - Ace Construction licensed in California?
Yes. 4 - Ace Construction holds California Contractors State License Board license number 610984, which is active and in good standing. The license was first issued on January 27, 1991. It is valid through January 31, 2027.
What does 4 - Ace Construction specialize in?
4 - Ace Construction is licensed for 2 CSLB classifications: B General Building Contractor and C-33 Painting and Decorating Contractor.
Where is 4 - Ace Construction headquartered?
4 - Ace Construction is headquartered at 8423 Rochester Ave,suite 101, Rancho Cucamonga, CA 91730, in San Bernardino County, California.
Does 4 - Ace Construction have an active surety bond on file with CSLB?
Yes. 4 - Ace Construction has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does 4 - Ace Construction carry workers' compensation coverage?
4 - Ace Construction has a previously-filed workers' compensation policy with Omaha National Casualty Company that is no longer active.
How do I verify 4 - Ace Construction's contractor license?
You can verify 4 - Ace Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=610984.
- License issuedJan 27, 1991
- Bond activeJan 1, 2023
- WC coverage startsSep 16, 2025
- WC expiredSep 16, 2026
- License expiresJan 31, 2027
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